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Finding the Fourth Proportional to 46,644.99, 69,978.42 and 18,566.76

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Solution

The fourth proportional to 46,644.99, 69,978.42 and 18,566.76 is: 27,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,644.99 : 69,978.42 = 18,566.76 : x
  2. Step 2: Convert to fraction form
    46,644.99/69,978.42 = 18,566.76/x
  3. Step 3: Cross multiply
    46,644.99x = 69,978.42 × 18,566.76
  4. Step 4: Simplify right side
    46,644.99x = 1,299,272,529.32
  5. Step 5: Solve for x
    x = 1,299,272,529.32/46,644.99
  6. Step 6: Final answer
    x = 27,854.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.